Holland America Line of Seattle, Washington, operated the M/S Amsterdamfor two cruises during the 2003-2004 season to the Antarctic Peninsula
Princess Cruises of Santa Clarita, California, operated the M/V Royal Princesson a cruise around South America, during which it crossed into the Treaty Area approximately 72 hours for scenic cruising during December 29, 2003 to January 1, 2004. The vessel carried 1,022 passengers and 549 crew. No landings were made.